Find the tangential and normal components of the acceleration.r(t) = (5t sin t + 5 cos t)i + (5t cos t - 5 sin t)j + 4k
A. a = 5T + 
N
B. a = 
N
C. a = 5T + 5tN
D. a = 5tN
Answer: C
Mathematics
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Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cot(x), -2? ? x ? 2?, x = 
A. 
B. 
C. 
D. 
Mathematics
Use Euler's formula to answer the question.A prism has 8 faces. How many vertices and edges does it have?
A. 18, 18 B. 12, 18 C. 12, 12 D. 18, 12
Mathematics
Solve the system in terms of the arbitrary variable listed.y;2x - 5y + z = 113x + y - 6z = 1
A. 
B. 
C. 
D. 
Mathematics
The NSC (Not So Consistent) Corporation has just completed its first year of business. The following chart shows its monthly profit (or loss). 
?
In which month was the loss greatest?
A. January B. November C. December D. June
Mathematics